Date: 01/30/08 (Java Web)    Keywords: yahoo, google

Type the following as a WordPress comment and see the fun: <a href="/go.php?http://www.google.com/" rel="nofollow">This is www.yahoo.com link</a> This should ideally cause the whole phrase (This is www.yahoo.com link) to be hyperlinked and pointing to google.com. Unfortunately WordPress sees it as two links and a plain word: “This is” is hyperlinked to www.google.com “www.yahoo.com” is hyperlinked to www.yahoo.com “link” is not [...]

Source: http://blog.taragana.com/index.php/archive/another-wordpress-comment-hyperlinking-bug/